There could be equivocation of a military rank [1] and a mariner license [2]. [1] https://en.wikipedia.org/wiki/Captain_(naval) https://en.wikipedia.org/wiki/C

There could be equivocation of a military rank [1] and a mariner license [2]. [1] https://en.wikipedia.org/wiki/Captain_(naval) https://en.wikipedia.org/wiki/Captain_(naval) [2] https://en.wikipedia.org/wiki/Sea_captain https://en.wikipedia.org/wiki/Sea_captain